Rewriting with lighttpd - how to remove file extensions

Question

I would like to use lighttpd\'s mod_rewrite to allow requests without a specific file extension. For instance, I would like the following mappings to automatically work:

Answer 1

Cassy and natbro got this very nearly right, but as user102008 commented, this erroneously rewrites any directory index. Adding a url.rewrite-once matching anything ending with a '/' seems to make it work.

url.rewrite-once = (  "^(.*)/$" => "$1/" )
url.rewrite-if-not-file = ( "^([^?]*)(\?.*)?$" => "$1.php$2" )